The flying car has been around as long as the automobile--did Leonardo Da Vinci sketch one? Nobody's ever been able to make a business out of it, but Terrafugia is making great strides. And leaping tall buildings in a single bound.

Big delivery companies have central garages that are perfect for charging EVs. They want to be green. But so far it's happened only in small volumes, largely because of price premiums that can total $30,000. FedEx has a novel solution: Smaller batteries, shorter ranges, and cheaper trucks.